1. Department of Neurology, Université Caen-Normandie, CHU de Caen-Normandie , Caen, France
2. Department of Neurology, CHU de Montpellier , Montpellier, France
3. Department of Internal Medicine, Université Paris-Cité, Hôpital Cochin, AP-HP , Paris, France
4. Department of Neurology, GHU Paris , Paris, France
5. Department of Neurology, CHU de Lille , Lille, France
6. Department of Neurology, CHU de Nantes , Nantes, France
7. Department of Neurology, Hôpital Saint-Antoine, AP-HP , Paris, France
8. Department of Neurology, Université Grenoble Alpes, INSERM, U1216, CHU de Grenoble Alpes, Grenoble Institute Neurosciences , Grenoble, France
9. Department of Neurology, Hôpital du Sacré-cœur de Montréal, Montréal , QC, Canada
10. Department of Neurology, Centre Hospitalier de l’Université de Montréal, Montréal , QC, Canada
11. Department of Radiology, CHU de Tours , Tours, France
12. Department of Neurology, CHU de Angers , Angers, France
13. Vasculitis Clinic, Mount Sinai Hospital, University of Toronto, Toronto , ON, Canada
14. Department of Internal Medicine, Université Caen-Normandie, CHU de Caen-Normandie , Caen, France